Manufacturer: BECKHOFF
Product No.: C9900-E871
Country of origin:Германия
Product Type: HMI Push-Button Extensions
Payment: T/T, Western Union
Weight: 500g
Dimensions: drawings with dimensions of the push-button e x tensions as AutoCAD DXF file
Shipping port: Xiamen
Warranty: 12 months
Designed for direct integration onto the right side of Beckhoff CP6x32-00xx and CP7x32-00xx Control Panels, the Beckhoff C9900-E871 provides an auxiliary physical interface expansion for 15-inch HMI displays operating without an integrated keyboard. This rugged operator panel extension interfaces critical mechanical controls directly to the host control system, bridging physical actuation with digital bus communication. By incorporating industrial-grade switches and a dedicated emergency stop, it enhances spatial efficiency and operating convenience directly at the machine face.
| Specification Parameter | Value / Detail |
|---|---|
| Manufacturer | Beckhoff Automation |
| Model Number | C9900-E871 |
| HMI Panel Compatibility | CP6x32-00xx and CP7x32-00xx Series (15-inch without keyboard) |
| Mounting Location | Right side of the HMI unit |
| Push-Button Element Type | 18 x Siemens Signum Square (30 x 30 mm) |
| Emergency Stop Type | 1 x Siemens Signum twist-to-release (direct-wireable) |
| Communication Interface | USB or CP-Link (model dependent) |
| Contact Configuration (Buttons) | 1st NO via USB/CP-Link; 2nd NO via terminal strip |
| Indicator Lamp Control | Over bus interface (USB or CP-Link) only |
| Lifecycle Phase | Service Phase (Legacy support and spare parts availability) |
| Shipping Weight (Calculated) | 5.00 kg (11.02 lbs) |
| Terminal / Port | Functional Assignment & Signal Type |
|---|---|
| USB / CP-Link Interface | Primary communication bus interface; handles 1st NO contact inputs and drives active signal lamp outputs. |
| Direct Terminal Strip | Access point for secondary isolated NO dry contacts for all 18 push-buttons; used for localized hardware interlocks. |
| Emergency Stop Terminals | Hardwired NC contacts routed independently of the USB/CP-Link bus to interface directly with safety evaluation relays. |
The C9900-E871 is structurally sized to physically align only with 15-inch variants of the CP6x32 and CP7x32 control panels. If you are retrofitting a system with a different display size, this extension block will not mate correctly with the chassis mountings. Verify that the matching driver software or TwinCAT system manager configurations are set to recognize the USB-based keyboard emulation profile utilized by this extension.
A common site failure involves trying to wire the 24V indicator lamps directly through the terminal strip. Note that the signal lamps are exclusively controlled via the digital USB or CP-Link connection. If your system application loses USB communication, the indicator lamps will remain dark, regardless of local direct terminal status. Ensure your PLC logic accounts for this behavior in high-duty environments.
To maintain compliance with Category 3 or 4 safety standards, never route the emergency stop signal through the USB/CP-Link bus. The integrated emergency stop button must be wired directly to an approved safety controller or monitoring relay utilizing the physical auxiliary contacts provided on the back of the extension assembly.
CRITICAL WARNING:
Before starting mechanical mounting or electrical integration, completely isolate the 24V DC supply feeding the HMI Panel PC. Confirm the panel is fully de-energized to prevent short-circuits across the USB interface or secondary hardwired contacts during installation.
Align the C9900-E871 extension housing with the structural mounting points on the right-hand bezel of the CP6xxx/CP7xxx panel.
Secure the mechanical linkage using the supplied fasteners, taking care to maintain the target IP ingress protection rating at the joint interface.
Route and connect the internal USB or CP-Link wiring harness directly into the designated ports inside the main panel computer housing.
Interface the dedicated emergency stop contacts and hardwired push-button terminals into the local control cabinets, matching system wiring diagrams.
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| Country of origin |
Германия
|
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